I have a canon 1000D DSLR and a Sigma EF-610 flash. The Flash seems to work find in full Auto mode when attached to the camera body, but when I try to use it off camera I run into problems.
When the ...

I'm going to buy the Sigma 18-35mm f/1.8. Is it worth spending $60 on the dock?
I've read in reviews that it's a bit unnecessarily complicated to use, but that's not my primary concern. Can I do just ...

I have been looking at get a polarizer and some nd filters for my sigma 50mm art lense. From my research, it looks like the best are B+W and Hoya. Does anybody have any experience with either brand on ...

I've Canon 600D and I use the back button to focus and the shutter to meter, I've been using spot metering for over 2 years for now and I understand what's the difference between it and evaluative, I ...

I recently shot some family pictures for a friend's family event (thank god I didn't get paid for this job). The location was problematic with the light - very strong late afternoon light and I don't ...

I know that my Nikon lens takes a 52mm filter size, however I also have two other lenses but they are Sigma lenses and don't have the mark to find the size for filters. How do I find the filter size ...

I'm new to photography, and I don't know why the pictures I'm taking are coming out blurred. Here's a sample image, taken with the Sigma 18-50mm f/2.8 on my Nikon D5200 at 18mm, 1/60s, f/2.8 and ISO ...

not sure if this is the right place to ask but I have been on the waiting list for the Sigma 18-35mm F1.8 DC HSM A Canon lens for a while. I'm getting pretty anxious, my wife is due in 2 weeks, so I'm ...

Are Tamron and Sigma trustworthy as compared to Canon? I am a beginner, so please help me. I have my kit lens Canon 18-55 mm. However I am looking for a telephoto zoom lens. For this reason a Canon ...

I have a Sigma 150mm F2.8 EX DG OS HSM APO Macro lens mounted on my Canon 6D. Even if AF mode is set to minimum-to-infinity range, if my subject is way out of focus (too far or too near), like, say, ...

I have a query regarding the Sigma 150-500 mounting on a Nikon D5100.
I have got my Sigma 150-500mm today.... I am feeling that the lens is very tight to mount on my D5100. Is this expected?? I have ...

I have two APS-C (70D and 600D) bodies with Canon EF and EF-s lenses, and Sigmas, among them the Sigma 70-200 f2.8 HSM OS. I am also considering getting the new Tamron 150-600 lens, pending reviews.
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I have a Sigma 610dg super flash that I wish to trigger with the TriggerTrap flash adapter (tt-fa1). Sadly I cannot make this work. I have tried two different TriggerTrap dongles but the flash never ...

Just have a quick question, recently purchased a cheap Canon 1DMK2 but until then I have exclusively used Sony DLSRs so I am not familiar with Canon mounts/lenses.
I have been looking on eBay for a ...